DE69612004D1 - DIGITAL TRANSMISSION SYSTEM - Google Patents

DIGITAL TRANSMISSION SYSTEM

Info

Publication number: DE69612004D1
Authority: DE; Germany
Prior art keywords: transmission system; digital transmission; digital; transmission
Prior art date: 1995-08-19
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Expired - Lifetime

Application number

DE69612004T

Other languages

German (de)

Other versions

DE69612004T2 (en

Inventor

Leslie Derek Humphrey

Christopher Tate

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Nortel Networks Ltd

Original Assignee

Nortel Networks Ltd

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1995-08-19

Filing date

1996-08-16

Publication date

2001-04-12

1996-08-16 Application filed by Nortel Networks Ltd filed Critical Nortel Networks Ltd

2001-04-12 Application granted granted Critical

2001-04-12 Publication of DE69612004D1 publication Critical patent/DE69612004D1/en

2001-06-21 Publication of DE69612004T2 publication Critical patent/DE69612004T2/en

2016-08-17 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2626—Arrangements specific to the transmitter only
- H04L27/2627—Modulators
- H04L27/2628—Inverse Fourier transform modulators, e.g. inverse fast Fourier transform [IFFT] or inverse discrete Fourier transform [IDFT] modulators
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/0004—Modulated-carrier systems using wavelets
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2647—Arrangements specific to the receiver only
- H04L27/2649—Demodulators
- H04L27/265—Fourier transform demodulators, e.g. fast Fourier transform [FFT] or discrete Fourier transform [DFT] demodulators

Landscapes

Engineering & Computer Science (AREA)
Computer Networks & Wireless Communication (AREA)
Signal Processing (AREA)
Physics & Mathematics (AREA)
Discrete Mathematics (AREA)
General Physics & Mathematics (AREA)
Mathematical Physics (AREA)
Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Noise Elimination (AREA)
Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Time-Division Multiplex Systems (AREA)

DE69612004T 1995-08-19 1996-08-16 DIGITAL TRANSMISSION SYSTEM Expired - Lifetime DE69612004T2 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
GB9517034A GB2304504A (en)	1995-08-19	1995-08-19	OFDM receiver includes digital filter
PCT/GB1996/002008 WO1997007619A1 (en)	1995-08-19	1996-08-16	Digital transmission system

Publications (2)

Publication Number	Publication Date
DE69612004D1 true DE69612004D1 (en)	2001-04-12
DE69612004T2 DE69612004T2 (en)	2001-06-21

Family

ID=10779496

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE69612004T Expired - Lifetime DE69612004T2 (en)	1995-08-19	1996-08-16	DIGITAL TRANSMISSION SYSTEM

Country Status (7)

Country	Link
US (1)	US5959967A (en)
EP (1)	EP0845185B1 (en)
JP (1)	JP3630688B2 (en)
CA (1)	CA2211215C (en)
DE (1)	DE69612004T2 (en)
GB (1)	GB2304504A (en)
WO (1)	WO1997007619A1 (en)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB9709023D0 (en) *	1997-05-02	1997-06-25	British Broadcasting Corp	Many-carrier transmission system and a receiver therefor
GB2326070B (en) *	1997-05-02	2002-04-24	Lsi Logic Corp	Demoulding digital video broadcast siginals
US6353629B1 (en) *	1997-05-12	2002-03-05	Texas Instruments Incorporated	Poly-path time domain equalization
JPH11298438A (en) *	1998-04-13	1999-10-29	Sony Corp	Transmission method and transmitter
US6700936B1 (en)	1998-05-05	2004-03-02	British Broadcasting Corporation	Many-carrier transmission system and a receiver therefor
US6353636B1 (en)	1998-12-23	2002-03-05	Nortel Networks Limited	Symbol alignment method
US7027464B1 (en) *	1999-07-30	2006-04-11	Matsushita Electric Industrial Co., Ltd.	OFDM signal transmission scheme, and OFDM signal transmitter/receiver
GB0020624D0 (en)	2000-08-21	2000-10-11	Element 14 Inc	Multi band DMT receiver
US6985533B2 (en) *	2001-02-07	2006-01-10	Agency For Science, Technology And Research	Method and apparatus for reducing peak to average power ratio in a multi-carrier modulation communication system
US6704372B2 (en) *	2001-09-18	2004-03-09	Broadlogic Network Technologies Inc.	Digital implementation of multi-channel demodulators
JP4472692B2 (en) *	2003-02-19	2010-06-02	パナソニック株式会社	Receiver and method for digital multicarrier transmission
EP1639774B1 (en)	2003-06-18	2009-06-03	Panasonic Corporation	Method and apparatus for receiving digital multicarrier signals using a wavelet transform
US7751509B1 (en) *	2003-10-06	2010-07-06	Purdue Research Foundation	Method for multiple-access interference suppression for MC-CDMA by frequency domain oversampling
IL161869A (en) *	2004-05-06	2014-05-28	Serconet Ltd	System and method for carrying a wireless based signal over wiring
US20100226448A1 (en) *	2009-03-05	2010-09-09	Paul Wilkinson Dent	Channel extrapolation from one frequency and time to another
US8699625B2 (en) *	2011-02-09	2014-04-15	Nec Laboratories America, Inc.	Generalized OFDM (GOFDM) for ultra-high-speed serial optical transport networks
US9571313B2 (en) *	2014-09-12	2017-02-14	Mer-Cello Wireless Solutions Ltd.	Full-optical multiwavelet orthogonal frequency divisional multiplexing (OFDM) and demultiplexing
US11991034B1 (en) *	2022-11-09	2024-05-21	Qualcomm Incorporated	Sample-level error-correcting code

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4679227A (en) *	1985-05-20	1987-07-07	Telebit Corporation	Ensemble modem structure for imperfect transmission media
FR2609228B1 (en) *	1986-12-24	1989-12-01	France Etat	METHOD OF DIGITAL BROADCASTING IN TELEVISION CHANNELS
ES2159540T3 (en) *	1993-02-08	2001-10-16	Koninkl Philips Electronics Nv	RECEIVER, WITH MULTIPLEXOR OF ORTOGONAL FREQUENCY DIVISION, WITH COMPENSATION FOR DIFFERENTIAL DELAYS.
IT1261364B (en) *	1993-12-01	1996-05-20	Sisvel Spa	ORTHOGONAL MULTIPLATION DATA RECEIVER SYSTEM WITH SINGLE MODULATOR FOR THE FREQUENCY ALLOCATION OF THE SUB-CHANNELS
IT1273793B (en) *	1994-02-22	1997-07-10	Italtel Spa	ORTHOGONAL FREQUENCY DIVISION MULTIPLATION COMPOSITE SYSTEM (OFDM) FOR THE TRANSMISSION OF DATA SEQUENCES
IT1273794B (en) *	1994-02-22	1997-07-10	Italtel Spa	FREQUENCY DIVISION ORTHOGONAL MULTIPLATION SYSTEM (OFDM) FOR THE TRANSMISSION OF DATA SEQUENCES
JP2802255B2 (en) *	1995-09-06	1998-09-24	株式会社次世代デジタルテレビジョン放送システム研究所	Orthogonal frequency division multiplexing transmission system and transmission device and reception device using the same

1995
- 1995-08-19 GB GB9517034A patent/GB2304504A/en not_active Withdrawn
1996
- 1996-08-16 US US08/894,021 patent/US5959967A/en not_active Expired - Lifetime
- 1996-08-16 CA CA002211215A patent/CA2211215C/en not_active Expired - Fee Related
- 1996-08-16 DE DE69612004T patent/DE69612004T2/en not_active Expired - Lifetime
- 1996-08-16 JP JP50906397A patent/JP3630688B2/en not_active Expired - Fee Related
- 1996-08-16 WO PCT/GB1996/002008 patent/WO1997007619A1/en active IP Right Grant
- 1996-08-16 EP EP96927803A patent/EP0845185B1/en not_active Expired - Lifetime

Also Published As

Publication number	Publication date
CA2211215A1 (en)	1997-02-27
US5959967A (en)	1999-09-28
WO1997007619A1 (en)	1997-02-27
GB2304504A (en)	1997-03-19
DE69612004T2 (en)	2001-06-21
JPH11511308A (en)	1999-09-28
JP3630688B2 (en)	2005-03-16
EP0845185B1 (en)	2001-03-07
CA2211215C (en)	2001-04-17
GB9517034D0 (en)	1995-10-25
EP0845185A1 (en)	1998-06-03

Publication	Publication Date	Title
DE69736990D1 (en)	2007-01-04	Digital transmission system
DE69617445D1 (en)	2002-01-10	NEWS TRANSMISSION SYSTEM
IL117578A (en)	2000-06-01	Digital transmission system
FI950662A (en)	1995-03-31	Digital simultaneous transmission transmission system
DE69627165D1 (en)	2003-05-08	OPTICAL TRANSMISSION SYSTEM
NO960527L (en)	1996-08-12	Acoustic transmission system
DE69628061D1 (en)	2003-06-18	Multi-channel transmission system
DE69611603D1 (en)	2001-02-22	DIGITAL COMMUNICATION SYSTEM
DE69408343D1 (en)	1998-03-12	Transmission system
DK0855130T3 (en)	2004-07-12	Digital hearing aid system
FI20116239A (en)	2011-12-07	MULTIPLE-TO-POINT TELECOMMUNICATION SYSTEM
DE69616623D1 (en)	2001-12-13	Intraoral communication system
DE69740015D1 (en)	2010-11-18	Optical transmission system
DE69626726D1 (en)	2003-04-24	Multimedia transmission system
DE69632017D1 (en)	2004-05-06	Digital data transmission method
DE69612004D1 (en)	2001-04-12	DIGITAL TRANSMISSION SYSTEM
DE69726110D1 (en)	2003-12-18	VIDEO TRANSMISSION SYSTEM
DE69631304D1 (en)	2004-02-19	Multiplex transmission system
DE69614282D1 (en)	2001-09-13	Multimedia communication system
DE69612961D1 (en)	2001-06-28	TELECOMMUNICATION SYSTEM
DE69328176D1 (en)	2000-04-27	Transmission system
DE59610723D1 (en)	2003-10-23	Spurious transmission
DE69605935D1 (en)	2000-02-03	CELLULAR TRANSMISSION SYSTEM
DE69729559D1 (en)	2004-07-22	MORE RATE TRANSMISSION SYSTEM
DE69706667D1 (en)	2001-10-18	DIGITAL VIDEO TRANSMISSION SYSTEM